SmartWheels self-driving race car. Designed for NXP Cup. Uses FRDM-KL25Z, area-scan camera, and simple image processing to detect and navigate any NXP spec track.

Dependencies:   TSI USBDevice mbed-dev

Fork of SmartWheels by haofan Zheng

Revision:
92:e9bd429f16b5
Parent:
46:a5eb9bd3bb55
Child:
97:0ed9ede9a995
diff -r 7b1910ca3ad6 -r e9bd429f16b5 Hardwares/ArduUTFT.h
--- a/Hardwares/ArduUTFT.h	Wed Apr 19 14:54:14 2017 +0000
+++ b/Hardwares/ArduUTFT.h	Wed Apr 19 17:15:46 2017 +0000
@@ -1,3 +1,9 @@
+/**
+ * @file ArduUTFT.h
+ * @brief The header file for all functions that controls the ArduCam UTFT screen.
+ * @author Jordan Brack <jabrack@mix.wvu.edu>, Haofan Zheng <hazheng@mix.wvu.edu>
+ * 
+ */
 #pragma once
 #ifndef ARDU_UTFT_H
 #define ARDU_UTFT_H
@@ -5,69 +11,154 @@
 #include <mbed.h>
 #include "PinAssignment.h"
 
-#define ARDUCHIP_MODE           0x02  //Mode register
-//#define MCU2LCD_MODE            0x00
-//#define CAM2LCD_MODE            0x01
-#define MCU2LCD_MODE            0x01
-#define CAM2LCD_MODE            0x02
-//#define LCD2MCU_MODE            0x04
+#define ARDUCHIP_MODE           0x02  /*!< @brief The address for the ArduCam bus mode setting register. */
+#define MCU2LCD_MODE            0x00     /*!< @brief The byte used to set the ArduCam bus to MCU to LCD mode. */
+#define CAM2LCD_MODE            0x01     /*!< @brief The byte used to set the ArduCam bus to CAM to LCD mode. */
 
-#define ARDUCHIP_TEST1_UTFT          0x00  //TEST register
-#define ARDUCHIP_TEST_MSG_UTFT       0x72
+#define ARDUCHIP_TEST1_UTFT          0x00  /*!< @brief The address for the ArduCam test register. */
+#define ARDUCHIP_TEST_MSG_UTFT       0x72     /*!< @brief The message used to write/read/verify with the test register. */
 
-#define ARDUCHIP_VER_NUM_UTFT        0x61
+#define ARDUCHIP_VER_UTFT            0x40  /*!< @brief The address for the ArduCam version register. */
+#define ARDUCHIP_VER_NUM_UTFT        0x61     /*!< @brief The version num for the ArduCam Shield V2 */
 
 
-#define UTFT_DISP_X_SIZE  239
-#define UTFT_DISP_Y_SIZE  319
+#define UTFT_DISP_X_SIZE  239   /*!< @brief The vertical size of the UTFT screen resolution. */
+#define UTFT_DISP_Y_SIZE  319   /*!< @brief The horizontal size of the UTFT screen resolution. */
 
-#define UTFT_LEFT 0
-#define UTFT_RIGHT 9999
-#define UTFT_CENTER 9998
+#define UTFT_LEFT 0        /*!< @brief left alignment. */
+#define UTFT_RIGHT 9999    /*!< @brief Right alignment. */
+#define UTFT_CENTER 9998   /*!< @brief right alignment. */
 
-#define CAM_IMG_CANVAS_ROW_OFFSET 20
-#define CAM_IMG_CANVAS_COL_OFFSET 300
+#define CAM_IMG_CANVAS_ROW_OFFSET 20    /*!< @brief The horizontal postion of the canvas that used to display the camera image. */
+#define CAM_IMG_CANVAS_COL_OFFSET 300   /*!< @brief The vertical postion of the canvas that used to display the camera image. */
 
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+/**
+* @brief Init the UTFT screen. There is only one screen in the system, thus, this function is required to be called only once during the system initialization.
+*/
 void ardu_utft_init(); //We only use LANDSCAPE orientation!
 
+/**
+* @brief Set the ArduCam bus mode.
+* @param mode The new bus mode for the ArduCam Shield V2.
+*/
 void ardu_cam_set_mode(uint8_t mode);
 
+/**
+* @brief Write a pixel to the screen.
+* @param VH The MSB of a RGB565 value.
+* @param VL The LSB of a RGB565 value.
+*/
 void ardu_utft_write_DATA(uint8_t VH, uint8_t VL);
 
+/**
+* @brief Clear the screen.
+*/
 void ardu_utft_clr_scr();
 
+/**
+* @brief Set the drawing range.
+* @param x1 The start position in the x-axis.
+* @param y1 The start position in the y-axis.
+* @param x2 The end position in the x-axis.
+* @param y2 The end position in the y-axis.
+*/
 void ardu_utft_set_xy(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
 
+/**
+* @brief Set the drawing range from the (0,0) till the end of the screen.
+*/
 void ardu_utft_reset_xy();
 
+/**
+* @brief Set the drawing color.
+* @param r The value for red channel.
+* @param g The value for green channel.
+* @param b The value for blue channel.
+*/
 void ardu_utft_set_color(uint8_t r, uint8_t g, uint8_t b);
 
+/**
+* @brief Draw a rectangle on the srceen.
+* @param x1 The first point of the rectangle in the x-axis.
+* @param y1 The first point of the rectangle in the y-axis.
+* @param x2 The last point of the rectangle in the x-axis.
+* @param y2 The last point of the rectangle in the y-axis.
+*/
 void ardu_utft_draw_rect(int x1, int y1, int x2, int y2);
 
+/**
+* @brief Draw a horizontal line on the srceen.
+* @param x The start position of the line in the x-axis.
+* @param y The start position of the line in the y-axis.
+* @param l The length of the line.
+*/
 void ardu_utft_draw_hline(int x, int y, int l);
 
+/**
+* @brief Draw a vertical line on the srceen.
+* @param x The start position of the line in the x-axis.
+* @param y The start position of the line in the y-axis.
+* @param l The length of the line.
+*/
 void ardu_utft_draw_vline(int x, int y, int l);
 
+/**
+* @brief Draw a single pixel on the srceen.
+* @param x The position of the pixel in the x-axis.
+* @param y The position of the pixel in the y-axis.
+*/
 void ardu_utft_draw_pixel(int x, int y);
 
+/**
+* @brief Draw a filled rectangle on the srceen.
+* @param x1 The first point of the rectangle in the x-axis.
+* @param y1 The first point of the rectangle in the y-axis.
+* @param x2 The last point of the rectangle in the x-axis.
+* @param y2 The last point of the rectangle in the y-axis.
+*/
 void ardu_utft_fill_rect(int x1, int y1, int x2, int y2);
 
+/**
+* @brief Set the font that used to print character on the screen.
+* @param font The pointer to a bytes array that describe the font. For details, please refer to the ArduUTFTFont.h header file.
+*/
 void ardu_utft_set_font(uint8_t * font);
 
+/**
+* @brief print a char on the screen.
+* @param c The char that needs to print.
+* @param x The position of the char in x-axis.
+* @param y The position of the char in y-axis.
+*/
 void ardu_utft_print_char(char c, int x, int y);
 
+/**
+* @brief print a char string on the screen.
+* @param st The pointer to the char string.
+* @param x The start position of the char string in x-axis.
+* @param y The start position of the char string in y-axis.
+*/
 void ardu_utft_print(char * st, int x, int y);
 
+/**
+* @brief Set the current row when printing the camera image on the screen.
+* @param row The row index.
+*/
 inline void ardu_utft_set_camimg_row(const uint16_t row)
 {
     ardu_utft_set_xy(0, row + CAM_IMG_CANVAS_ROW_OFFSET, CAM_IMG_CANVAS_COL_OFFSET, row + CAM_IMG_CANVAS_ROW_OFFSET);
 }
 
+/**
+* @brief Set the current row and colum when printing the camera image on the screen.
+* @param row The row index.
+* @param col The col index.
+*/
 inline void ardu_utft_set_camimg_rowcol(const uint16_t row, const uint16_t col)
 {
     ardu_utft_set_xy(0, row + CAM_IMG_CANVAS_ROW_OFFSET, CAM_IMG_CANVAS_COL_OFFSET - col, row + CAM_IMG_CANVAS_ROW_OFFSET);